diff --git a/index.html b/index.html
index e2f01c53..e1e6b7cc 100644
--- a/index.html
+++ b/index.html
@@ -13,7 +13,7 @@
 	<meta name="description" content="You are being watched! Knowledge, encryption and privacy tools to protect you against global mass surveillance.">
 
 	<!-- content security policy -->
-	<meta http-equiv='Content-Security-Policy' content="Content-Security-Policy: default-src https:; script-src https://privacytoolsio.github.io http://privacytoolsio.github.io; style-src 'unsafe-inline'">
+	<meta http-equiv='Content-Security-Policy' content="Content-Security-Policy: default-src https:; script-src https://privacytoolsio.github.io http://privacytoolsio.github.io; style-src 'self' 'unsafe-inline'">
 
 	<!-- referrer policy -->
 	<meta http-equiv="Referrer-Policy" content="no-referrer">